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United States Patent | 6,115,367 |
Archambaud ,   et al. | September 5, 2000 |
The present invention provides methods of analyzing a radio signal, including a personal handy-phone system radio signal. In accordance with a first aspect of the present invention, a method of analyzing a radio signal in a transceiver selectively coupled with a first antenna and a second antenna comprises: receiving a radio signal comprising a plurality of slots via the first antenna; first configuring the transceiver to receive via the first antenna; during the receiving of a selected slot, first determining a radio signal characteristic; following the first determining and during the receiving of the selected slot, second configuring the transceiver to receive via the second antenna; and following the second configuring and during the receiving of the selected slot, second determining a radio signal characteristic.
Inventors: | Archambaud; Denis (Antibes, FR); Feyfant; Patrick (Toulon, FR); Gaglione; Philippe (Mandelieu, FR); Martin; Varenka (Antibes, FR); Weigelt; Oliver (Antibes, FR); Winckel; Laurent (Antibes, FR); Yoshida; Satoshi (Nice, FR) |
Assignee: | VLSI Technology, Inc. (Sunnyvale, CA) |
Appl. No.: | 906341 |
Filed: | August 5, 1997 |
Current U.S. Class: | 370/334; 455/133; 455/277.1 |
Intern'l Class: | H04B 017/02 |
Field of Search: | 370/334,252,328,329,331,332,333 455/426,462,31.1,67.1,67.3,101,423,132,133,134,135,277.1 375/267,347,349 |
5203024 | Apr., 1993 | Yamao | 370/334. |
5203026 | Apr., 1993 | Ekelund | 370/334. |
5212684 | May., 1993 | MacNames et al. | 370/334. |
5329555 | Jul., 1994 | Marko et al. | 370/334. |
5555258 | Sep., 1996 | Snelling et al. | 370/29. |
5586122 | Dec., 1996 | Suzuki et al. | 370/347. |
5602837 | Feb., 1997 | Takahashi | 370/280. |
5636243 | Jun., 1997 | Tanaka | 375/219. |
Foreign Patent Documents | |||
8046565 | Feb., 1996 | JP. |
Cordless in the Local Loop, by Margareta Zanichelli, from Cordless Telecommunications Worldwide, Walter H.W. Tuttlebee, pp. 71-87. The PHS Standard, by Yuichiro Tokagawa, from Cordless Telecommunications Worldwide, Walter H.W. Tuttlebee, pp. 429-438. Personal Handy-Phone System (PHS) Guidebook, Ministry of Posts & Telecommunications, Japan. PHS RCR STD-28, Chapter 1, General, publication date ?. |